​

​

December 31, 2023

​

December 31, 2024

​

​

US$

​

US$

​

​

Amount

​

equivalent

​

Amount

​

equivalent

​

​

​

​

​

​

​

​

​

US$

1,596,592

1,596,592

702,450

702,450

RMB

2,647,185

373,754

2,162,766

300,869

Others

N/A

N/A

N/A

57,692

Total

1,970,346

1,061,011